*{
  margin: 0;
  padding: 0;
}
body{
  background-color: rgb(238, 243, 250);
}
.header{
  height: 80px;
  background-color: rgb(238, 243, 250);
  img{
    float: left;
    margin-top: 20px;
    margin-left: 150px;
    width: 300px;
  }
  p{
    font-size: 16px;
    float: left;
    line-height: 80px;
  }
}


.center{
  width:1000px;
  height: 600px;
  background-color: #fff;
  margin: 0 auto;
  .top{
    position: relative;
    width: 100%;
    height: 30px;
    background-color: rgb(242, 242, 242);
    p{
      position: absolute;
      right: 5px;
      line-height: 30px;
      font-size:14px ;
    }
  }
  .foot{
    margin-left: 50px;
    margin-top: 100px;
    div{
      margin-bottom: 20px;
      span{
      display: inline-block;
      width: 120px;
      height: 40px;
      
    }
    input{
      width: 300px;
      height: 40px;
      outline:medium;
    }
    .tishi{
      height:42px ;
      width: 400px;
      line-height: 42px;
      border: 1px solid rgb(255, 189, 190);
      background-color: rgb(255, 235, 235);
      position: absolute;
      color: red;
      font-size: 14px;
      display: none;

    }
  }
}
button{
  width:300px ;
  height: 50px;
  background-color: red;
  border: none;
  outline:medium;
  margin-left: 175px;
  margin-top:50px ;
}
}